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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JB/T 13635-2020 |
Test method for welding strength of electrical contact components {译} 电触头元件焊接强度测试方法 |
China Machinery Industry
Standards Test method welding |
 English PDF |
| SY/T 6423.8-2017 |
(Non - destructive testing methods for steel and steel industry - Part 8: Seamless and welding.) 石油天然气工业 钢管无损检测方法 第8部分：无缝和焊接（埋弧焊除外）钢管纵向和/或横向缺欠的全周自动超声检测 |
China Oil & Gas Industry
Standards Test method welding |
English PDF |
| SY/T 6423.7-2017 |
(Non - destructive testing methods for steel and steel industry - Part 7: Seamless and welding.) 石油天然气工业 钢管无损检测方法 第7部分：无缝和焊接铁磁性钢管表面缺欠的磁粉检测 |
China Oil & Gas Industry
Standards Test method welding |
English PDF |
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